Fix ESXi8 deployment

The changes for getinstalldisk assumed functionality
in ESXi9.  Target older
functional level for our purposes.

Also expand the fallback to cover cases where the disk interrogation fails.

confluent_osdeploy/esxi7/profiles/hypervisor/scripts/getinstalldisk

@@ -96,22 +96,36 @@ def list_disks():
                 adp = ' '.join(line.split()[1:])
                 disks[dev]['adapter'] = adp
                 devbyadp.setdefault(adp, []).append(dev)
+    adapterlist = subprocess.check_output(['localcli', 'storage', 'core', 'adapter', 'list'])
+    if not isinstance(adapterlist, str):
+        adapterlist = adapterlist.decode('utf8')
+    driverbyadp = {}
+    linenum = 0
+    for line in adapterlist.split('\n'):
+        linenum += 1
+        if not line.strip():
+            continue
+        if linenum < 3:
+            continue
+        parts = line.split()
+        if len(parts) < 2:
+            continue
+        adp = parts[0]
+        driver = parts[1]
+        driverbyadp[adp] = driver
     for adp in devbyadp:
-        adaplist = subprocess.check_output(['localcli', 'storage', 'core', 'adapter', 'listdetailed', '--adapter', adp])
-        if not isinstance(adaplist, str):
-            adaplist = adaplist.decode('utf8')
-        for line in adaplist.split('\n'):
-            if not line.strip():
-                continue
-            if 'Driver Name:' in line:
-                driver = ' '.join(line.split()[2:])
-                for dev in devbyadp[adp]:
-                    disks[dev]['adapter_driver'] = driver
+        driver = driverbyadp.get(adp, 'Unknown')
+        for dev in devbyadp[adp]:
+            disks[dev]['adapter_driver'] = driver
     return disks
         
 def main():
     disks = []
-    alldisks = list_disks()
+    try:
+        alldisks = list_disks()
+    except Exception as e:
+        print("Error listing disks: {0}".format(str(e)))
+        alldisks = {}
     for disk in alldisks:
         try:
             disks.append(DiskInfo(disk, alldisks[disk]))